Printing-press.



G. s. EVANS. PRINTING mss. l AIPLIGATION FILED SEPT. 8, 1908.

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G. S. EVANS.

PRINTING PRESS.

G. S. EVANS.

PRINTING PRESS.

APPLIoATxoN FILED um'. a, 190s.

' Patented July 6, 1909.

4 SHEETS-SHEET 3.

l I I lwTfLf @X9/mamon C. S. EVANS.

PRINTING PRESS# unroulon FILED ann. s, 190s.

Patented July 6, 1909. 4 SHEETS-SHEET 4.

CHARLES S. EVANS, OF NORFOLK, NEBRASKA.

PRINTING-PRESS.

Specification of Letters Patent.

Patented July 6, 1909.

Application led September 8, 1908. Serial No. 452,005.

To all whom it may concern.'

Be .it known that I, OHARLEs S. EVANS, a citizen of the United States, residing at N orfolk, in the county of Madison and State of Nebraska, have invented certain new and useful Improvements in Printing-Presses; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to printing presses and particularly to that type having a continuous or substantially continuous paper feed. In this type of machine the reciprocating platen construction has been found to give much better results than the rotating platen but it has been found diflicult to obtain a perfect machine having a reciprocating platen and a continuous orV substantially continuous paper feed. The rotary ty e forms are known to possess considerab y more speed than the reciprocating type form While not producing such good work.

It is the object of my invention to use a rapid continuous or substantially continuous paper feed in connection with a reciprocating platen and thereby combine the rapid operation which is the feature in the rotary machines with the good work done by the reciprocating laten type.

A furtlier object of the invention is the provision oifa press of this character which is adapted to print upon both sides of the sheet simultaneously thereby obviating the necessity of a reprint as is necessary with most machines of the reciprocating platen ty e.

FVith the foregoing and other objects in view, the invention consists of certain novel features of construction, combination and arrangement of parts, as will be more fully described and particularly pointed out in the ap ended claims.

n the drawings, Figure 1 is a top plan view; Fig. 2 is a longitudinal vertical section on the line 2-2 of Fig. 1, Fig. 3 is a fragmentary vertical section on the line 3-3 of Fig. 1 Fig. 4 is an enlarged detail side elevation showing the printing end of the press; Fig. 5 is a detail elevation partly in section, of the inking arms actuating plate and its associated mechanism; and Fig. 6 is a detail elevation partly in section taken at right angles to Fig. 5, showing how the plate is operated.

Referring more especially to the draw ing, 1 represents the base of 'the press which is rovided with vertically extending uprig its 2 which support the side and end members 3 and 4 of the frame. Upon the side and end members and the vertical u rights is supported practically all ofthe mec ianism of the press as is usual in this class of construction. From either side of the base, adjacent its forward ends, there is extended vertically arranged standards 5 slotted throughout their length at 6 to receive the pintles 7 of the upper and lower platens 8 and 9, the latter of which is adapted to act as a type forni sup ort and travels upwardly toward the bed pate 10 as will be hereinafter described. The bed plate 10 supports the other type form and 1s rigidly connected to the standards 5 at a level with the side and end recesses 3 and 4.

Opposite the ends of the bed plate 10`on either side ofthe machine, I journal a pair of walking beams 11 to the ends of which are connected the U-shaped links 12 having their other ends journaled upon the pintles 7 of the platen members S and 9. The lower sides of the forward ends of the walking beams are provided with depending arms 13 to which are connected the operating links or piston rods 14. At the inner ends these rods are connected to the cranks 15 carried upon the shaft 16 journaled in bearings upon the rear uprights 2 and driven by a suitable pinion 17 carried upon the driving shaft 18, also jour naled upon the uprights 2, and meshing with a large gear 19 upon the crank shaft 1G. As the cranks 15 revolve, the walking beam 1 1 is reciprocated and the platens 8 and 9 are moved toward and away from the bed plate 10 simultaneously. In order to ink the type forms carried by the bed plate 10 and by tie movable bed plate or platen 9, I provide suitable reciprocating inking frames 20 which carry the inking rollers 21. These frames 20 are connected to a reciprocating plate 22 by links 23 and 24, both of which are pivoted to the plate and connect at their inner ends with the frames 20. The plate 22 is aper tured at each end and is mounted on the side members 8 of the frame and is reciprocated, as will be hereinafter described.

Suitable tracks, 25 and 26, the latter having an incline 27 leading down to the lower platen 9, are adapted to receive the friction rollers 28 carried by the inking frame so as to permit these parts to move freely over the platen and bed plate. At a point adjacent the iear ends of the tracks 25 and 26, I secure suitable ink fountains 29 which have the usual inking rollers 30, mounted therein to pick up and fqeed the ink to the inking rollers 21 as 1s customary.

Keyed to the shaft 16 is a sprocket wheel 31 over which a driving chain 32 passes into engagement with a sprocket pinion 33 carried upon the transverse shaft 34 mounted in bearings in standards 35. At each end of this shaft 34, I attach relatively large sprocket wheels 36 which have passing theren over the driving chains 37 upon one link of each is provided a transversely extending lug 38 adapted to engage the plate 22 and move the same with its accompanying links 23 and inking forms 20 forward over the bed plates 9 and 10. The chain 37 runs over the guiding idlers 39 and 40 and at their extremities is passed around adjustable idlers 41 carried upon the transverse shaft 42 which is mounted in the vertically disposed bearings 43 carried by the side pieces.

The plate, 22, is provided at its ends with transverse slots, 22a, which are interrupted or intersected by longitudinal slots, 22". rI`hese slots define fingers, 22C and 22d which are inclined in opposite directions so as to be engaged as will hereinafter be described by the lugs, 38, on the chains, 37. These lugs straddle the idlers, 40 and 41, during the movement of the plate and permit the passage of said plate beyondv the idlers. As the chains, 37, with their l-ugs, 38, travel over their course they pass through the apertures, 22 in the plate 22 and as the lugs, 38, extend across these apertures they are adapted to engage the fingers, 22 C, and move the plate forward until a point is reached (shown in Fig. 5) slightly beyond the shafts, 42, of the idlers, 41. The lugs, 38, then slide down over the inclined face of the fingers, 22 C, and pass through the longitudinal apertures, 22h. After being disengagedl from the plate, the lugs travel around the idlers, 41, and engage onl their return course the lingers, 22 d, in a similar manner to their engagement of the ngers, 22 C. The plate is then carried rearwardly past the idlers 40, where it is disengaged from the lugs, 38, in the manner just described. This operation reciprocates the inking frames.

Journaled in suitable bearings adjacent the standards 35, I provide the paper supporting rolls 44 and 45, the former being an idler and the latter being driven by a sha-ft 46 frictionally held in engagement with a disk 47 upon shaft 16 and in turn engaged with the beveled gear 48 upon the shaft of the roller 45. The paper roll is indicated in dotted lines at 4Q and rests upon the rollers 44 and 45 with its free end passing over the `top of the press and between the. upper platen 8 and the upper face of bed plate 10 and over the inking rollers, 21. From thence it is passed over a return roller 50 so as to pass beneath the bed plate 10 and between said bed plate and the lower platen 9. From here it passes to the feeding rollers 51 and 52, the former of which is carried upon a movable link 53 having one end pivotally and slidably connected with a pin 54 extending outwardly from the bearing 55. The opposite end of the link 53 is connected to one arm of a bell crank lever 56 journaled in bearings upon the frame and controlled by a reciprocating rod 57 which is engaged by the knob 58 carried upon an arm depend-ing from the plate 22, as shown in Fig. 2 so that the roller 51 is raised from its companion idler 52 at each stroke of the inking forms. This release mechanism is duplicated on the opposite side of the frame and the shafts which support the rolls 52 and 53 and also the bell crank lever 56 are passed across the machine as shown in Fig. 1 to the duplicate mechanism on the opposite side. When the roller 5l is raised from its companion 52 the paper feed is stopped sufficiently long enough for the platens to engage the bed plate and make the proper impression. The roller 5l is provided with a suitable sprocket wheel 57 which is operated by the chain 58 coming from the folder mechanism driving shaft to which is secured the driving pinion 59 connected by sprocket chains 60 and 61 with the sprocket wheel 62 carried upon the shaft 16. The paper passes from the feeding rollers 51 and 52 to the usual folder which may be driven directly from the shaft 16 as shown or may be independently driven as may be found expedient.

From the foregoing description takenin connection with the accompanying drawings, the construction and operation of the invention will be readily understood without rcquiring a more extended explanation.

Various changes in the form, proportion and the minor details of construction may be resorted to without departing from the principle or sacrificing any of the advantages of the invention, as defined in the appended claims.

I claim as my invention 1. In a printing press, a pair of bed plates, platens for coperating therewith, a source of paper supply, means to feed the same to the bod plates, inking mechanism means for operating the same, a tripping mechanism for controlling the paper feed, and means carried by the inking mechanism for operating the tripping mechanism.

2. In a printing press, a pair of bed plates, platens for cooperating therewith, a source of paper supply, means to support the same on the press7 inking mechanism, means for operating the same, a pair of rollers arranged in In testimony whereof I hereunto set my hand in presence of two subscribing Witnesses.

CHARLES S. EVANS.

the paper feed, a tripping mechanism for 5 raising one of said rollers and a stud carried Witnesses:

by the inking mechanism for operating said J. E. HAAsE, tripping mechanism. W. S. HAUPTLI. 

